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Finding the Fourth Proportional to 450,899, 622,240.80 and 249,695

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Solution

The fourth proportional to 450,899, 622,240.80 and 249,695 is: 344,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,899 : 622,240.80 = 249,695 : x
  2. Step 2: Convert to fraction form
    450,899/622,240.80 = 249,695/x
  3. Step 3: Cross multiply
    450,899x = 622,240.80 × 249,695
  4. Step 4: Simplify right side
    450,899x = 155,370,416,556
  5. Step 5: Solve for x
    x = 155,370,416,556/450,899
  6. Step 6: Final answer
    x = 344,579.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.